In this image provided by Bezos Expeditions, workers inspect a thrust chamber of an Apollo F-1 engine recovered from the bottom of the Atlantic Ocean in March 2013. An expedition led by Amazon CEO Jeff Bezos pulled up two rocket engines, including this one, that helped boost Apollo astronauts to the moon. Bezos and NASA announced the recovery on Wednesday, March 19, 2013. The sunken engines were part of the Saturn V rocket used to bring astronauts to the moon during the 1960s and 1970s. After liftoff, they fell into the ocean as planned. (AP Photo/Bezos Expeditions)

Apollo moon rocket engines recovered

•March 20, 2013

Long thought to be lost forever on the ocean floor, Saturn V's massive engines that